11121210012111 has 8 divisors (see below), whose sum is σ = 14828316539904. Its totient is φ = 7414121746200.

The previous prime is 11121210012103. The next prime is 11121210012137. The reversal of 11121210012111 is 11121001212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11121210012111 - 2³ = 11121210012103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121210010111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3074991 + ... + 5630096.

It is an arithmetic number, because the mean of its divisors is an integer number (1853539567488).

Almost surely, 2^{11121210012111} is an apocalyptic number.

11121210012111 is a deficient number, since it is larger than the sum of its proper divisors (3707106527793).

11121210012111 is an equidigital number, since it uses as much as digits as its factorization.

11121210012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130941.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11121210012111 its reverse (11121001212111), we get a palindrome (22242211224222).

The spelling of 11121210012111 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, twelve thousand, one hundred eleven".